Matthew 15:11
Not that which enters into the mouth, defiles the man; but that which proceeds out of the mouth that defiles the man.
Acts 10:14-15
But Peter said, By no means, Lord, for I have never eaten any thing common and impure.
Mark 7:15
Nothing which being out of a man entering into him, can defile him; but those things which proceed from the man, these are the things which defile the man.
Matthew 12:34-37
Offspring of vipers, how can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
Matthew 15:18-20
But the things which proceed from the mouth come from the heart, and these defile the man.
Luke 11:38-41
And the Pharisee seeing him, wondered that he was not first baptized before breakfast.
Acts 11:8-9
And I said, By no means, Lord, for nothing common or impure has ever entered into my mouth.
Romans 3:13-14
their throat is an opened tomb, with their tongues they practise deceit, the poison of asps is under their lips.
Romans 14:14
I know, and am persuaded in the Lord Jesus, that nothing is defiled in itself, except to him that thinks any thing to be defiled; to him it is defiled.
Romans 14:17
For the kingdom of God is not eating and drinking, but righteousness, and peace, and joy in the Holy Spirit;
Romans 14:20
On account of food destroy not the work of God. All things indeed are pure, but evil is to the man that eats with offense;
1 Timothy 4:4-5
For every creature of God is good, and nothing to be rejected, [but] to be received with thanksgiving;
Titus 1:15
To the pure all things are pure; but to the defiled and unbelieving, nothing is pure; but their mind and conscience are defiled.
Hebrews 13:9
Be not carried about with various and strange doctrines; for it is good that the mind should be established with grace, not with aliments, in which those walking are not profited.
James 3:5-8
so also the tongue is a small member and boasts of great things. Behold, how much wood a little fire kindles!
2 Peter 2:18
For speaking extravagant words of vanity, they entice with carnal desires of lewdness those scarcely escaped from them, those living in error,